Substituted phenyl 4-[(E)-alk-2-enoyloxy]benzoates

Details Substituted phenyl 4-[(E)-alk-2-enoyloxy]benzoates Substituted phenyl 4-[(E)-alk-2-enoyloxy]benzoates

1995-05-12

1996-01-16

Wu, Shean

Compositions

Liquid crystal compositions

Containing nonsteryl liquid crystalline compound of...

558415, 560 61, 560 85, 570127, C09K 1920, C07C25500, C07C 6976, C07C 2513

Patent

active

054845513

ABSTRACT:
Compounds containing a 4-[(E)-alk-2-enoyloxy]benzoate group and liquid crystalline mixtures which contain such compounds and the use of such compounds and, respectively, mixtures in electro-optical indicating devices.
The compounds are of the formula ##STR1## wherein R.sup.1 is alkyl with 1 to 12 carbon atoms;

REFERENCES:
patent: 4683079 (1987-07-01), Bezborodov et al.
patent: 5326497 (1994-07-01), Buchecker et al.
patent: 5326498 (1994-07-01), Kelly
Helv. Chim. Acta, 67, 1572 (1984).

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